Merge branch '116-add-sponsoring-into-github' into '1.4'

Resolve "add sponsoring into github"

Closes #116

See merge request fusiondirectory/user-manual!267

(cherry picked from commit 6cd76855)

996102ef  feat(github) adding sponsors from github

.github/FUNDING.yml

@@ -4,3 +4,4 @@ ko_fi: fusiondirectory
 liberapay: fusiondirectory
 open_collective: fusiondirectory
 community_bridge: fusiondirectory
+github: fusiondirectory